Home / 34,017.20-51,112.20-30,215.60

Finding the Fourth Proportional to 34,017.20, 51,112.20 and 30,215.60

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Solution

The fourth proportional to 34,017.20, 51,112.20 and 30,215.60 is: 45,400.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,017.20 : 51,112.20 = 30,215.60 : x
  2. Step 2: Convert to fraction form
    34,017.20/51,112.20 = 30,215.60/x
  3. Step 3: Cross multiply
    34,017.20x = 51,112.20 × 30,215.60
  4. Step 4: Simplify right side
    34,017.20x = 1,544,385,790.32
  5. Step 5: Solve for x
    x = 1,544,385,790.32/34,017.20
  6. Step 6: Final answer
    x = 45,400.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.